Name the minor arc and find its measure.
A. AB 162°
B. ADB 162°
C. AB 198°
D. ADB 198°

A minor arc is an arc of a circle having measure less than or equal to 180° or π radians. From the options given above the arc which has a measure less than 180° is AB.
Information: ADB 198° is the major arc as its central angle is greater than 180°.
The correct option is (A).
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